@article{PismaZhETF.105.531,
    title = {First experimental observation of conical effect in  Smith--Purcell radiation},
    author = {Naumenko, G. A. and Potylitsyn, A. P. and Sergeeva, D. Yu. and Tishchenko, A. A. and Strikhanov, M. N. and Bleko, V. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {105},
    issue = {9},
    pages = {531},
    year = {2017},
    doi = {10.7868/S0370274X17090016},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X17090016},
}